Testo 558s - the digital manifold with 4-way valve block and intuitive touchscreen. Smart digital manifold with 4-way valve block and intuitive touchscreen, including wireless temperature probe and vacuum probe. Working as intuitively as on a smartphone - this is made possible by the testo 558s digital manifold. The touchscreen operation makes configuration, control and documentation even easier. Alternatively, the instrument can be operated entirely via the testo Smart App or via buttons for employees wearing gloves. To make everyday work even easier, the measurement results can be shown on the large colour display in clear graphics and as 30-minute trend curves. The high measuring accuracy of 0.25 % full scale also enables reliable evaluations. Thanks to the large number of stored measurement menus and connectivity across the entire Testo refrigeration portfolio, any application can be controlled via the installation aid. For maximum safety, the installation aid is compatible with flammable refrigerants of classes A3 and A2L. With over 96 refrigerants stored in the installer aid and regular OTA updates, the installer aid is always up to date.

Testo 115i clamp thermometer with smartphone operation for measuring pipes with a diameter of 6 to a maximum of 35 mm, including batteries and calibration protocol. Convenient temperature measurement on refrigeration, air conditioning and heating systems - thanks to wireless connection to smartphone or tablet. Fast detection of temperature changes thanks to graphical trend display.

Testo 552i app-controlled wireless vacuum probe, including batteries and calibration protocol. With the testo 552i vacuum probe including Bluetooth, you can measure vacuum wirelessly, quickly, easily and precisely via just one service connection - without any loss of refrigerant. The testo Smart App supports you with numerous intelligent functions.